INSECTS AFFECTING PARK AND WOODLAND TREES 



373 



Pityophthorus sp. 

 A small species beloiigin-' to this t,'enus was met with hy the writer 

 Sep. 8, 1900 at Karner, workin-- under the hark of a dead hard pine limb. 



\ 



Fig. 77 Work of Pity"phthoni.i speiries in white |.in<; (.luihor's illuslrjtion I 



Recently transformctl adults and a few jjupae were observed in the t,^alleries. 

 The twi;^^ was also boreil by a lon^^dcorn larva. 'The adult j^^alleries of this 

 insect are remarkable for their delicacy. They are well represented in 

 plate 63, tijrure 6. It will be sien that the general design has been much 

 marred 1)\- the work of the longicorn alxnc mentioned, and the tortuous 

 kirval galleries may be seen branching from the primary ones at irregular 

 and somewhat considerable distances. The larva as it attains maturity 

 appears to make a very irregular excavation which 



sometimes doubles back on itself or is simply a very >>:',y 



Pityophthorus sp. \)^ 



broad excavation. 



This species was taken Sep. 8, 1900 at Karner 



from dead limbs of pitch pine. Its breeiling season >i«_j3 



Middle tilii.ic: .1 — 

 < ; 11 a t h o t r i c u s m ;i 1 c r 1- 



was evidently nearly at end as a very few pupae and ^;';'.V_p'i,',';,'^'^;;;';;p\' 

 some recently transformed adults were found. (..ri«in,,i. 



Description. This is a reddish brown or almost black, rather slender, 

 cylindric beetle measuring but little over ',,6 inch in length. 



